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/*
*
* Copyright 2010 Samsung Electronics S.LSI Co. LTD
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* @file SEC_OSAL_Semaphore.c
* @brief
* @author SeungBeom Kim (sbcrux.kim@samsung.com)
* @version 1.0
* @history
* 2010.7.15 : Create
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pthread.h>
#include <semaphore.h>
#include "SEC_OSAL_Memory.h"
#include "SEC_OSAL_Semaphore.h"
#undef SEC_LOG_TAG
#define SEC_LOG_TAG "SEC_LOG_SEMA"
#define SEC_LOG_OFF
#include "SEC_OSAL_Log.h"
OMX_ERRORTYPE SEC_OSAL_SemaphoreCreate(OMX_HANDLETYPE *semaphoreHandle)
{
sem_t *sema;
sema = (sem_t *)SEC_OSAL_Malloc(sizeof(sema));
if (!sema)
return OMX_ErrorInsufficientResources;
if (sem_init(sema, 0, 0) != 0)
return OMX_ErrorUndefined;
*semaphoreHandle = (OMX_HANDLETYPE)sema;
return OMX_ErrorNone;
}
OMX_ERRORTYPE SEC_OSAL_SemaphoreTerminate(OMX_HANDLETYPE semaphoreHandle)
{
sem_t *sema = (sem_t *)semaphoreHandle;
if (sema == NULL)
return OMX_ErrorBadParameter;
if (sem_destroy(sema) != 0)
return OMX_ErrorUndefined;
SEC_OSAL_Free(sema);
return OMX_ErrorNone;
}
OMX_ERRORTYPE SEC_OSAL_SemaphoreWait(OMX_HANDLETYPE semaphoreHandle)
{
sem_t *sema = (sem_t *)semaphoreHandle;
FunctionIn();
if (sema == NULL)
return OMX_ErrorBadParameter;
if (sem_wait(sema) != 0)
return OMX_ErrorUndefined;
FunctionOut();
return OMX_ErrorNone;
}
OMX_ERRORTYPE SEC_OSAL_SemaphorePost(OMX_HANDLETYPE semaphoreHandle)
{
sem_t *sema = (sem_t *)semaphoreHandle;
FunctionIn();
if (sema == NULL)
return OMX_ErrorBadParameter;
if (sem_post(sema) != 0)
return OMX_ErrorUndefined;
FunctionOut();
return OMX_ErrorNone;
}
OMX_ERRORTYPE SEC_OSAL_Set_SemaphoreCount(OMX_HANDLETYPE semaphoreHandle, OMX_S32 val)
{
sem_t *sema = (sem_t *)semaphoreHandle;
if (sema == NULL)
return OMX_ErrorBadParameter;
if (sem_init(sema, 0, val) != 0)
return OMX_ErrorUndefined;
return OMX_ErrorNone;
}
OMX_ERRORTYPE SEC_OSAL_Get_SemaphoreCount(OMX_HANDLETYPE semaphoreHandle, OMX_S32 *val)
{
sem_t *sema = (sem_t *)semaphoreHandle;
OMX_U32 semaVal = 0;
if (sema == NULL)
return OMX_ErrorBadParameter;
if (sem_getvalue(sema, &semaVal) != 0)
return OMX_ErrorUndefined;
*val = semaVal;
return OMX_ErrorNone;
}
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